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Senior Tester Jobs

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Senior Automation Tester
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Join a leading Southeast Asian e-commerce agency as a Senior Automation Tester in Hanoi. Design and develop automated functional and load tests using Playwright or JMeter within CI/CD pipelines. Enjoy an attractive salary, premium healthcare, and professional growth in an Agile, English-speaking ...
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Vietnam , Hà Nội
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Not provided
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SmartOSC
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Senior Penetration Tester
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Join Citi in Singapore as a Senior Penetration Tester. Conduct deep-dive security assessments on web, mobile, and API applications using tools like Burp Suite. Leverage your 5+ years of expertise in Java, .NET, and cloud platforms (AWS, Azure, GCP). Industry certifications (OSCP, CISSP) and OWASP...
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Singapore , Singapore
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Citi
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Senior Performance Tester
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Join a renowned Oil Company as a Senior Performance Tester. You will design technical workflows and conduct automated Regression & API testing using Blazemeter/JMeter. A C1 English level, ISTQB certification, and client-facing skills are key. This hybrid role is based in Lisbon, Braga, or Coimbra...
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Portugal , Lisbon, Braga, or Coimbra
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Egor
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Senior Tester
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Join Citi's ICRM team in Kuala Lumpur as a Senior Tester. You will lead UAT for critical AML systems, applying advanced testing methodologies and automation tools like Python or SQL. This hybrid role offers professional growth, extensive training, and exposure to senior leadership in a global ban...
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Malaysia , Kuala Lumpur
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Citi
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Senior Penetration Tester
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Seeking a Senior Penetration Tester to serve as a Subject Matter Expert in Annapolis Junction. This role requires 8+ years of experience in network and application-layer testing, a relevant degree, and an active Security Clearance with Polygraph. You will conduct assessments, ensure RMF complianc...
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United States , Annapolis Junction
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Columbia Technology Partners
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Senior QA Automation Tester
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Join our team in Guadalajara as a Senior QA Automation Tester. You will automate UI and API tests using Java, Selenium, and REST Assured, while maintaining robust regression suites. This role requires 6-10 years of QA experience with a strong automation focus. Strong collaboration with developers...
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Mexico , Guadalajara
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NTT DATA
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Senior Penetration Tester
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Join our cybersecurity team in Brussels as a Senior Penetration Tester. Conduct complex security assessments on networks, web apps, and mobile systems using tools like Metasploit and Burp Suite. Leverage your 5+ years of offensive security experience to protect critical public sector clients. Enj...
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Belgium , Brussels
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Sopra Steria
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Senior Penetration Tester
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Seeking a Senior Penetration Tester for advanced security assessments in Olen, Belgium. You will conduct complex tests on web, cloud, and network systems, developing custom tools. Requires 5+ years' offensive security experience, OSCP/CEH certifications, and cloud/AWS/Azure proficiency. Mentor ju...
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Belgium , Olen
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Belden, Inc
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Senior Software Tester
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Join our national security mission in Washington, DC as a Senior Software Tester. You will drive quality assurance, writing test scripts and cases within a .NET/Azure DevOps environment. This role focuses on automation, Agile processes, and full lifecycle testing. Bring your 8-10 years of QA expe...
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United States , Washington, DC
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Andworx
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Senior Penetration Tester
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Join our team as a Senior Penetration Tester in Annapolis Junction. Serve as a Subject Matter Expert, conducting network and application-level security assessments using advanced tools and protocols. This role requires 8+ years of experience, a relevant degree, and U.S. citizenship. We offer supe...
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United States , Annapolis Junction
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Columbia Technology Partners
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Senior IT Tester
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Join our team in Gdańsk as a Senior IT Tester. You will design and execute E2E tests in a complex banking/payments environment using SAFe/Agile. We seek a proactive problem-solver with strong English skills for global collaboration. Enjoy benefits like private medical care and sports card co-fina...
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Poland , Gdańsk
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DCG Sp. z o. o.
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Senior Automation Tester
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Join our team as a Senior Automation Tester in Kochi or Trivandrum. You will design scalable test frameworks using Java/C#/Python and AWS, integrating with CI/CD pipelines. Champion best practices in automation, BDD, and TDD to ensure exceptional software quality. Performance testing knowledge is...
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India , Kochi;Trivandrum
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Experion Technologies
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Senior FX/PM Tester
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Join our international team in Zurich as a Senior FX/PM Tester. You will ensure the quality of our FX and Precious Metals trading platforms within a new LFX solution. This role requires deep product knowledge, test automation skills, and collaboration with teams in Zurich and Singapore. A strong ...
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Switzerland , Zurich
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Nicoll Curtin
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AML Senior Tester – Detection Systems
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Join our Warsaw team as a Senior AML Tester for Detection Systems. You will coordinate and execute UAT for critical backend and frontend AML applications like Mantas and EAP. We seek an expert with 5-8 years' testing experience, deep AML knowledge, and strong SQL/Python skills. Enjoy a comprehens...
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Poland , Warsaw
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165020.00 - 280980.00 PLN / Year
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Citi
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Senior Penetration Tester
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Join Europe's largest airline group as a Senior Penetration Tester in Dublin. Lead offensive security operations, testing networks, applications, and cloud environments (AWS/Azure). Utilize your 4+ years of experience to identify critical vulnerabilities and enhance our security posture. Enjoy a ...
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Ireland , Dublin
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Ryanair - Europe's Favourite Airline
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Explore a world of opportunity with Senior Tester jobs, a critical and high-impact career path dedicated to ensuring software quality, security, and business readiness. Senior Testers are seasoned professionals who move beyond basic execution to own the quality strategy, mentor teams, and act as a bridge between technical development and business objectives. They are entrusted with the final gatekeeping before software reaches end-users, making their role pivotal in risk mitigation and user satisfaction. Professionals in these roles typically engage in the full spectrum of the software testing lifecycle. Common responsibilities include analyzing complex business and technical requirements to design comprehensive test strategies and plans. They lead the creation, execution, and automation of test cases for various testing types, such as functional, integration, regression, and user acceptance testing (UAT). A key duty is identifying, documenting in detail, and tracking defects through to resolution, collaborating closely with development and business analyst teams. Senior Testers often champion process improvements, introduce testing best practices and methodologies like Agile or Waterfall, and contribute to the selection and implementation of test management and automation tools. Leadership is a cornerstone; they frequently guide junior testers, coordinate testing activities for large projects, and communicate test progress and risk assessments to stakeholders. The typical skill set for Senior Tester jobs is both deep and broad. A strong foundation in software development life cycles (SDLC) and testing methodologies is essential. Technical proficiency is highly valued, often including expertise in SQL for database validation, scripting knowledge (e.g., Python), and experience with testing tools for defect tracking (like Jira) and test management. For roles focused on specialized areas, domain knowledge—such as in cybersecurity for penetration testers or financial compliance for UAT testers in banking—becomes a critical requirement. Analytical thinking, meticulous attention to detail, and superior problem-solving skills are paramount. Excellent communication is non-negotiable, as the role demands clear articulation of technical issues to non-technical audiences and effective collaboration across departments. Generally, a bachelor's degree in a related field and several years of hands-on testing experience are standard requirements, with professional certifications being a significant advantage. Ultimately, Senior Tester jobs are for strategic thinkers who are passionate about quality, adept at navigating technical complexity, and driven to deliver flawless user experiences. They play an indispensable role in building trustworthy and robust software in today's digital landscape.

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